Hmmm, well, Phoenix is probably in the top 3 best coasters still operating IMO...but since I've ridden it before I would probably say...hmm, Phoenix! I would want just one more ride on that insane airtime beast, even over any other coaster that I havn't ridden. That airtime is really addicting..mmmmm [:D]

If defunct coasters are allowed, then Puritas Springs Cyclone for sure. Though the Idora Wildcat and Mr. Twister come close.

Don't worry IF397, it isn't smooth at all, you're not missing much. The first drop is extremely rough on the bottom, then it just turns and goes up a hill, then goes around in circles very slowly for 3 times around, then down the hill thru a tunnel, then some turns and your done, it probably would be excellent still if it were at least decently smooth for a woody though.

Though the first year of operation, I heard Rattler was an amazing coaster, they raised the drop 40 feet up in the air, and it runs a lot slower from what I have heard, and its a MUCH worse ride.
http://www.rcdb.com/installationgallery56.htm?Picture=1Thats a pic before it was modified.

I'd would do the same, but it doesn't really matter cuz I'm gonna kick the bucket on which ever ride I kik the bucket on (I have it all planned out, when if I'm 90 sumtin, I'm gonna go to a park ride their rides, and if I die, I'll die with my boots on, and if I don't, then the last coaster I rode that day will probably be my last.)